I have used both enamel washes and pigments for the weathering after having applied oil filters (both single tone and dot filters). The Warlord kit is a nice gaming kit, quite detailed but no part that is too likely to break with the single exception of the two tiny tow hooks at the back, which in fact broke immediately before painting...

Vanth"...there are more things in heaven and earth, Horatio, than are dreamt of in thyne philosophy..."